main.cpp

00001 #include "mbed.h"
00002 #include "HDC1000.h"
00003 #include "Hexi_KW40Z.h"
00004 #include "Hexi_OLED_SSD1351.h"
00005 #include "string.h"
00006 
00007 #define LED_ON      0
00008 #define LED_OFF     1
00009 
00010 void StartHaptic(void);
00011 void StopHaptic(void const *n);
00012 void txTask(void);
00013 void read_task(void);
00014 
00015 DigitalOut  haptic(PTB9);
00016 DigitalOut  redLed(LED1,1);
00017 DigitalOut  greenLed(LED2,1);
00018 DigitalOut  blueLed(LED3,1);
00019 
00020 HDC1000     hdc(PTD9,PTD8);
00021 Serial      pc(USBTX, USBRX);
00022 SSD1351     oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15);  /* (MOSI,SCLK,POWER,CS,RST,DC) */
00023 KW40Z       kw40z_device(PTE24, PTE25);                 /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */
00024 RtosTimer   hapticTimer(StopHaptic, osTimerOnce);
00025 
00026 Thread      txThread;                                   /*Create a Thread to handle sending BLE Sensor Data */
00027 Thread      readThread;
00028 
00029 char text[20];  /* Text Buffer */
00030 
00031 void StartHaptic(void)
00032 {
00033     hapticTimer.start(50);
00034     haptic = 1;
00035 }
00036 
00037 void StopHaptic(void const *n)
00038 {
00039     haptic = 0;
00040     hapticTimer.stop();
00041 }
00042 
00043 /****************************Call Back Functions*******************************/
00044 void ButtonRight(void)
00045 {
00046     StartHaptic();
00047     kw40z_device.ToggleAdvertisementMode();
00048 }
00049 
00050 void ButtonLeft(void)
00051 {
00052     StartHaptic();
00053     kw40z_device.ToggleAdvertisementMode();
00054 }
00055 
00056 void PassKey(void)
00057 {
00058     StartHaptic();
00059     strcpy((char *) text,"PAIR CODE");
00060     oled.TextBox((uint8_t *)text,0,25,95,18);
00061 
00062     /* Display Bond Pass Key in a 95px by 18px textbox at x=0,y=40 */
00063     sprintf(text,"%d", kw40z_device.GetPassKey());
00064     oled.TextBox((uint8_t *)text,0,40,95,18);
00065 }
00066 
00067 
00068 // main() runs in its own thread in the OS
00069 int main()
00070 {
00071 
00072 
00073 
00074     oled_text_properties_t textProperties = {0};
00075     oled.GetTextProperties(&textProperties);
00076 
00077     /* Turn on the backlight of the OLED Display */
00078     oled.DimScreenON();
00079 
00080     /* Fills the screen with solid black */
00081     oled.FillScreen(COLOR_BLACK);
00082 
00083     /* Register callbacks to application functions */
00084     kw40z_device.attach_buttonLeft(&ButtonLeft);
00085     kw40z_device.attach_buttonRight(&ButtonRight);
00086     kw40z_device.attach_passkey(&PassKey);
00087 
00088     /* Change font color to blue */
00089     textProperties.fontColor   = COLOR_BLUE;
00090     textProperties.alignParam = OLED_TEXT_ALIGN_CENTER;
00091     oled.SetTextProperties(&textProperties);
00092 
00093     /* Display Text at (x=0,y=0) */
00094     strcpy((char *) text,"HDC1000");
00095     oled.TextBox((uint8_t *)text,0,0,96,15); //Increase textbox for more digits
00096 
00097     textProperties.fontColor = COLOR_WHITE;
00098     oled.SetTextProperties(&textProperties);
00099 
00100     /* Display Text at (x=7,y=30) */
00101     strcpy((char *) text,"TEMP :");
00102     oled.Label((uint8_t *)text,7,30);
00103 
00104     /* Display Text at (x=7,y=45) */
00105     strcpy((char *) text,"HUMI :");
00106     oled.Label((uint8_t *)text,7,45);
00107 
00108     /* Change font color to Blue */
00109     textProperties.fontColor   = COLOR_BLUE;
00110     oled.SetTextProperties(&textProperties);
00111 
00112     /* Display Bluetooth Label at x=17,y=65 */
00113     strcpy((char *) text,"BLUETOOTH");
00114     oled.Label((uint8_t *)text,17,65);
00115 
00116     /* Change font color to white */
00117     textProperties.fontColor   = COLOR_WHITE;
00118     textProperties.alignParam = OLED_TEXT_ALIGN_CENTER;
00119     oled.SetTextProperties(&textProperties);
00120 
00121     /* Display Label at x=22,y=80 */
00122     strcpy((char *) text,"Tap Below");
00123     oled.Label((uint8_t *)text,22,80);
00124 
00125     txThread.start(txTask); /*Start transmitting Sensor Tag Data */
00126     readThread.start(read_task);
00127 
00128     while (true) {
00129 
00130         blueLed = !kw40z_device.GetAdvertisementMode(); /*Indicate BLE Advertisment Mode*/
00131         Thread::wait(50);
00132     }
00133 }
00134 
00135 /* txTask() transmits the sensor data */
00136 void txTask(void)
00137 {
00138     while (true) {
00139 
00140         hdc.get();    // Triger conversion
00141 
00142         /*Notify Hexiwear App that it is running Sensor Tag mode*/
00143         kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG);
00144         /*Send weight using pressure service*/
00145         kw40z_device.SendTemperature(hdc.send_temp());
00146         kw40z_device.SendHumidity(hdc.send_humi());
00147         Thread::wait(1000);
00148     }
00149 }
00150 
00151 void read_task(void)
00152 {
00153 
00154     char t_temp[10] = {0}, s_temp[10] = {0};
00155     char t_humi[10] = {0}, s_humi[10] = {0};
00156     float temp = 0.0f, humi = 0.0f;
00157     int16_t i_temp = 0;
00158     uint16_t u_temp = 0, u_humi = 0;
00159 
00160     while(true) {
00161 
00162         hdc.get();    // Triger conversion
00163         pc.printf("Temp: %+4.1fC, Humid: %4.1f%%\r\n", hdc.temperature(), hdc.humidity());
00164         temp = hdc.temperature();
00165         humi = hdc.humidity();
00166         sprintf(t_temp,"%4.1fC",temp);
00167         sprintf(t_humi,"%4.1f%%",humi);
00168         i_temp = (int)(hdc.temperature());
00169         u_temp = hdc.send_temp()/ 1000;
00170         u_humi = hdc.send_humi()/ 1000;
00171         pc.printf("int Temp: %d \r\n", i_temp);
00172         pc.printf("unsigned Temp: %d, Humid: %u\r\n", u_temp, u_humi);
00173 
00174         oled.TextBox((uint8_t *)t_temp,40,30,46,15); //Increase textbox for more digits
00175         oled.TextBox((uint8_t *)t_humi,40,45,46,15); //Increase textbox for more digits
00176 
00177         Thread::wait(2000);
00178     }
00179 }